Abstract
Introduction/Background: Devic’s syndrome is a rare autoimmune disorder that occurs when the body’s immune system damages and mistakenly attacks the optic nerves and the spinal cord, leading to numerous neurological. Symptoms, such as inflammation, weakness, numbness, and vision problems. Rituximab has mainly been utilized as an immunosuppressive therapy for patients with Devic’s syndrome. Although evidence has shown that rituximab is efficient and well tolerated in treating patients with Devic’s syndrome, there is the possibility of rituximab exacerbating severe psoriasis and psoriatic arthritis flare.
Case Presentation: In this paper, we describe a case of a 58-year-old female with Devic’s syndrome, blindness, and neurological involvement who responded exceptionally well to rituximab. However, she developed a severe flare of psoriatic arthritis. After withdrawing from the use of rituximab, her psoriatic arthritis symptoms had resolved. However, she did have another episode of blindness, and rituximab was started once again. Although her vision improved, her psoriatic arthritis symptoms had reoccurred. The patient was switched to eculizumab and ustekinumab, which controlled both her psoriatic arthritis and Devic’s syndrome.
Conclusion: Very few reports have identified rituximab to induce a flare-up of psoriatic arthritis, raising uncertainty regarding its potential effects on psoriatic symptoms. The precise mechanism underlying the exacerbation of psoriatic arthritis by rituximab remains uncertain. This case report highlights that rituximab can worsen psoriasis and psoriatic arthritis, and that the complexities of Devic’s syndrome may require medication adjustments.
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